doc/man/ceph-volume explain encryption and activate all with examples

Signed-off-by: Alfredo Deza <adeza@redhat.com>
(cherry picked from commit 0a4cebd1dda876cfc19fbfb97c668d4dae05097c)

diff --git a/doc/man/8/ceph-volume.rst b/doc/man/8/ceph-volume.rst
index d38cb624ef588860f8ea8439905d8de9906ac711..50a2e52803928780463110ea6b71c6c895a10b80 100644 (file)
--- a/doc/man/8/ceph-volume.rst
+++ b/doc/man/8/ceph-volume.rst
@@ -63,6 +63,10 @@ Optional Arguments:
 * [--no-systemd] Skip creating and enabling systemd units and starting of OSD
   services
 
+Multiple OSDs can be activated at once by using the (idempotent) ``--all`` flag::
+
+    ceph-volume lvm activate --all
+
 
 **prepare**
 Prepares a logical volume to be used as an OSD and journal using a ``filestore``
@@ -90,6 +94,10 @@ Required arguments:
 
 * --data                A logical group name or a path to a logical volume
 
+For encrypting an OSD, the ``--dmcrypt`` flag must be added when preparing
+(also supported in the ``create`` sub-command).
+
+
 **create**
 Wraps the two-step process to provision a new osd (calling ``prepare`` first
 and then ``activate``) into a single one. The reason to prefer ``prepare`` and